noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A group of two things.; A tuplet of two notes played in the time of three.
2. 2
   A group of two things.; the set of two electrons, with antiparallel spins, in the same orbital
3. 3
   An empty box placed above the existing boxes of the beehive in order to allow the colony to expand or store additional honey. archaic

Synonyms

All synonyms

coupleduadduodyadpairsuper

Antonyms

All antonyms

nadir

Etymology

Mid-17th century. From Latin duplus.

Related phrases

duplet rule

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.